一种使用红外线和超声波的定位技术

ELECTRONICMEASUREMENTTECHNOLOGY3110200810(450052):,,,,,;,,:;;;:TN21:APositioningtechniquewithinfraredandultrasonicYuanYuleiWangAnjianJiangLixing(InstituteofSurveyingandMapping,InformationEngineeringUniversity,Zhengzhou450052)Abstract:Apositioningtechniquewithinfraredandultrasonicispresented.Theworkprincipleandthetechniquesoftheprincipalpartsareintroduced.Ameasuringpulseadjustingcircuitisdesignedtoreceivetheultrasonicandtheerrorsareanalyzed.Thistechniqueusesinfraredcodingcommandtotriggerthepositioning,extendingthepositioningrangandreducingthepower,andaddsasyntoniccircuittothereceivertoreducethedisturbing.Theeffectingfactorsofprecisionsuchastemperatureandangleareanalyzedaccordingtolotsofexperiments.Keywords:infrared;ultrasonic;positioningtechnique;pulseadjusting0GPS;,,GPS,11.1GPS3,,,,,;,,,,(),(),,,,,,,1,1151©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:D21=(X-X1)2+(Y-Y1)2+(Z-Z1)2D22=(X-X2)2+(Y-Y2)2+(Z-Z2)2D23=(X-X3)2+(Y-Y3)2+(Z-Z3)2:(X,Y,Z),(X1,Y1,Z1)(X2,Y2,Z2)(X3,Y3,Z3)123,(X,Y,Z),,1.2,,,,,,,,30m,3108m/s,340m/s,:303108340=0.034mm3cm,22.189C52,89C5238I/O,P0,P1,P2P0P1,,P2SE303232.2,,,,,,,,,,40kHz,40kHz,,40kHz,443,,,,,0,,0,,,12M,:T=112MHz1/12=1s,11s,16,:t=2161s=65.536ms:65.536ms340m/s=22.3m,,,0,1,4,:,,61©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:Ct=C01+t273,C0=332.17m/s0,1,0.6m,,,26,2+2(1km4mm),332.17m/s,,1140300cm/cm/cm/cm4043.040.046062.359.838082.380.35100101.8100.35120121.2120.24140140.6140.14160160.0160.04180179.3179.52200199.3200.34220218.8220.34240238.3240.34260257.7260.24280277.1280.13300296.4299.931,,3cm,1cm,3m,0304560905,302:=ni=1i2n:n=30,i23m02.9921m-0.0079m0.0015m302.9941m-0.0059m0.0016m452.9957m-0.0043m0.0015m603.0132m0.0132m0.0016m903.0443m0.0443m0.0016m2,45,,,90,,4.43cm[1],,.[J].,2005.5:43253.[2],.VB[J].,2003.4:37238.[3].80C51[J].,2003.[4].[J].:,2002.[5].[J]..2007.2:39241.[6].[J]..2006.4.[7].[J]..2007.6:29232.[8],,.3D[J]..2005.13.,,1984,,E2mail:[e-mail],,1958,,71©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.